Insulation How To & DIY

Improve the value of your home by discovering our insulation step-by-step tips & ideas.

attic_insulation_x

Filed under:

Adding Attic Insulation

Insulating your attic can save money on energy bills and keep your home warmer. We cover how to add insulation to your attic, how much it costs, and more.
ASK_2032_energy03
Play

How to Conduct a Home Energy Assessment

Home technology expert Ross Trethewey shows a homeowner where her energy consumption is going and how to save some money moving forward.
An insulated pull down steps style attic door.

How to Insulate an Attic Door

Your attic is insulated, but the access hatch probably isn’t. Here are a few ways to insulate it to save money and energy.

How to Insulate Around Recessed LED Fixtures

Scott Caron offers advice on how to keep your home energy-efficient when using recessed lights
Insulation in an attic

How To Insulate a Basement Ceiling

Does it make sense to insulate your basement ceiling? Our guide includes tips and instructions on how to insulate a basement ceiling.
A man applying insulation to the side of a doorway.
Play

How to Weatherstrip a Door to Prevent Any Air Leaks

Weatherstripping eliminates pesky door air leaks and improves energy efficiency. Learn how to install it from This Old House's Tom Silva.
insulate_your_basement
Play

How To Insulate Your Basement

From preparation to installation, This Old House's Tom Silva shows how to insulate your basement.
web_impact_of_insulation
Play

How To Maximize the Impact of Insulation

Discover the best techniques for boosting insulation and improving home comfort.
choose_the_right_insulation
Play

Things To Know About Choosing Insulation for Your Home

Ask This Old House general contractor Tom Silva discusses the options for insulation with host Kevin O’Connor.
tommy_action_2
Play

Tips for Using Stone Wool Insulation

It’s efficient, easy to install, and incredibly effective; hear what Tom Silva has to say about this versatile insulation product.
A set of windows with gaps in the winter.

Mind the Window Gaps: Three Ways To Easily Block Drafts

If you can feel a breeze around your windows, don't hesitate, consider these quick and easy ways to block drafts.
ductwork_xl
Play

How to Seal Leaky Ductwork

Ask This Old House plumbing and heating expert Richard Trethewey shows an innovative new way to seal ducts from the inside
richard_ductwork
Play

How to Insulate HVAC Ductwork

Watch as This Old House plumbing and heating expert Richard Trethewey helps a homeowner insulate his exposed HVAC ductwork.
Two men installing fiberglass insulation

Insulation Tips From the Pros for Every Corner of Your Home

Keep your home cozy and save money with this roundup of our top insulation tips for attics, basements, and other drafty spots in your house.
web_cellulose_insulation
Play

How to Refresh Cellulose Insulation in the Attic

In this video, This Old House general contractor Tom Silva explains how to refresh cellulose insulation in the attic.
choose_and_use_foam_insulation
Play

How to Choose and Use Foam Insulation

This Old House general contractor Tom Silva explains the wide world of spray-foam insulation.
98123752
Play

How To Seal Windows and Doors for Winter

Keep your family warm this winter. Tom Silva shows you how to stop cold air from coming through windows and doors.
insulate_attic_fiberglass
Play

How To Effectively Insulate an Attic with Fiberglass

You can improve your attic's thermal performance by insulating it with fiberglass. Read about how to make your home more energy efficient in our step-by-step guide.
install_fiberglass_insulation
Play

How To Install Fiberglass Insulation in Your Home

This Old House host Kevin O'Connor shows how to fill gaps and make a space cozier and more energy-efficient.
fiberglass_insulation_home_iStock_182186960

3 Common Insulation Materials Used in Old Homes

If you live in an older home, understanding what pads your walls is essential to keeping your family safe. Here are three common types of insulation found in old homes and their potential hazards.
insulate_basement_1
Play

How to Insulate a Basement

This Old House general contractor Tom Silva shows how to warm up a chilly concrete wall
web_choose_insulation
Play

How to Choose and Use Insulation for Your Next Project

This Old House general contractor Tom Silva explains how to choose and use various types of insulation in this video and guide.
A roll of insulation sitting in the walls of a home.

How To Insulate a Wall: A Comprehensive Guide

Here are some simple and easy tips for installing wall insulation to help you save money and become more energy-efficient.
a finished attic upgrade
Play

5 Steps to Finishing an Attic

This Old House's Two-Minute Expert explains what goes into creating a bonus room under the rafters
insulate_window_weight_pockets
Play

How to Insulate Window Weight Pockets

In this how-to video, This Old House general contractor Tom Silva shows an energy-efficient way to insulate old windows
attic_xl
Play

How to Insulate an Attic

In this how-to video, This Old House general contractor Tom Silva and host Kevin O'Connor demonstrate the proper way to insulate an attic
web_window_sash_weights
Play

How to Insulate a Window with Sash Weights

In this video, This Old House general contractor Tom Silva explains how to insulate a window with sash weights.
retrofit_cellulose
Play

How To Retrofit Cellulose Insulation

Learn how to retrofit cellulose insulation for your home in this step-by-step guide from This Old House general contractor Tom Silva.
Man installing insulation in a home.

How to Add Wall Insulation in an Old House without Damage

This guide explores insulation options and techniques suitable for older homes, helping you make the best decisions and avoid damage.
A diagram of a house, with the siding and roofing highlighted in orange.

A Comprehensive Guide to Roofing and Siding Installation

This Old House general contractor Tom Silva shows how he installs roofing and siding in this educational, step-by-step guide.
TOH_072910_06_18412

How to Cut Batts of Fiberglass Insulation

3 easy steps and neat trick to safely make tidy cuts in fiberglass insulation batts.
Insulating a crawl space

Insulating a Crawl Space: A Comprehensive Guide

A crawl space must be adequately insulated to reap the temperature-regulating benefits. Read on to learn how to insulate your crawl space.